Finding the Third Proportional to 34,785.75 and 74,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,785.75 : 74,491.50 = 74,491.50 : x
2. Step 2: Convert to fraction form
   34,785.75/74,491.50 = 74,491.50/x
3. Step 3: Cross multiply
   34,785.75x = 74,491.50 × 74,491.50
4. Step 4: Simplify right side
   34,785.75x = 5,548,983,572.25
5. Step 5: Solve for x
   x = 5,548,983,572.25/34,785.75
6. Step 6: Final answer
   x = 159,518.87